model to use priority for sorting some elements in GUI

dream/simulation/Examples/GUI_models/BatchesNoFlexing.json

@@ -9,24 +9,28 @@
           "type": "number"
         }, 
         "currentDate": {
+		  "priority":9,
           "default": "2014/02/18", 
           "description": "The day the experiment starts, in YYYY/MM/DD HH:MM:DD format", 
           "name": "Simulation start time", 
           "type": "string"
         }, 
         "maxSimTime": {
+		  "priority":10,
           "default": 100, 
           "description": "Length of the simulation run", 
           "name": "Length of experiment", 
           "type": "number"
         }, 
         "numberOfAntsPerGenerations": {
+		  "priority":7,
           "default": 5, 
           "description": "Number of scenarios per optimization generation", 
           "title": "Number of scenarios per optimization generation", 
           "type": "integer"
         }, 
         "numberOfGenerations": {
+		  "priority":8,
           "default": 1, 
           "description": "Number of optimization generations", 
           "title": "Number of optimization generations",